Combination cooking-stove.



EMH. CASTLE. cdmemmon comuue S10v5, APPLICATION FILED SEPT. I1, 1916.

Eatented Jam. 30,1917.

nennnr H. cAsrrLnor QUINCY, ILLINOIS.

COMBINATION:COOKING-STOVE.

Specification of Letters Patent.

Patented J an. 30,1917.

Application filed September 11 1316. Serial No. 119,516.

To all whom it may concern:

Be it known that I, Ecnnar H. Cas'rnn, a citizen of the United States, residing at Quincy, in the county of Adams and State of Illinois, have invented new and useful v Improvements in Combination Cooking- .ciency of the heat values afforded-by the combustion of coal, wood and the likewhen the latter are used as fuel, and vice versa.

- The invention also contemplates the provision of a construction which renders it feasible to employ coal or wood'and gas as fuel at one and the same time, as when it is gas burner 5 which is designed to be supdesired to highly heat the oven.

Other advantageous characteristics of the invention will be fully'u'nderstood from the following description and claims when the .same are readin' connection with the drawings, accompanying and forming part of corresponding parts in both views of the drawings.

In furtherance of my invention, the body 1 may be of the ordinary construction common to cooking stoves and ranges, and may be provided in its top with a plurality of openings normally closed by lids 2, and may also be provided at its top with a plurality of gas burners 3, designed to be supplied through a manifold 4: that is adapted to be connected with a source of gas supply. The arrangement at the top of the body 1 is not,

.however, of the essence of my invention.

and therefore the burners 3 may be omitted or employed in the discretion of the manufacturer of the stove. It is also to be understood that the body 1 is provided with the usual fire-box to receive coal; wood and analogous fuel'and with the usual flue space 1n communicationwith, the fire-box and'designed to be connected in the ordinary orany other approved manner with an uptake. It is further to be understood that the oven maybe and preferably is connected with the flue space in the ordinary well-known manner.

As clearly shown in Fig. 1 the oven is proided with a bottom wall 1 2 and end walls 11, and in the latter are apertures 10 and 102 respectively... It will also be noticed that the oven wall 11 adjacent to the fire-box 15 of the stove is separated from said firebox by an intervening space 13, and that said space 13 is in communication with a chamber ll which is provided in its bottom wall with apertures 6 for-the admission of ing transversely of the stove is an apertured plied with gas from a suitable source of supply through a valved conduit 7.

Connected to. and spaced apart on the bottom wall 12"of the oven are conduits 8, the upper portions of which are formed by the said oven wall 12 so as to enable the flames and heated products of gas combustion in the conduits to act directly against the wall 12 in the heating of said wall and the" oven. The mouths of the said conduits 8 are in communication with the chamber 14: as illustrated, so as to receive the flames and heated prodi :s of combustion from the burner 5, and the ands of theconduits 8 remote-from the chamber 14 are merged into upstanding conduits or conduit portions 9 which are arranged againstand connected to the adjacent over wall 11 and are also arranged in communi: tion with the apertures 10 in said wall as to discharge the heated products of combustion into the por tion of the oven remote from the chamber 14.

It will-be readily appreciated from the foregoing that by virtue of the conduits 8 being spaced apart across the bottom plate 12 of the oven, the heat and products of combustion from a coal or wood fire are enabled to directly contact with the said plate 12 in contact with the gas burner 5 or with the.

atmospheric air that circulates through the conduits S. It will further be appreciated that a portion of the products of combustion from the chamber 14: passes through the space 13 and the apertures into the oven and in that way equalizes the heat in the" oven when gas is employed as the fuel.

Incidental to the use of my novel combi- 1 nation stove it will be noted that either gas" or coal or analogousfuel may be employed of my improvement I am enabled to heat a gas oven with coal while keeping the coal from coming in contact with the gas, by the conduits 8, which renders the oven effective and economical for either coal or gas.

Having described my invention What I 1. A combination coal and gas cooking stove, comprising a body, a fire-box and an oven in said body; said fire-box and oven belng separated by an intervening space in l communication with the interior of the-oven,

a chamber arranged below and in communication with sail intervening space, a. gas burner in said chamber, and longitudinalconduits spaced apart on the underside of the bottom plate of the oven and formed in Copies etthis patent may be obtained for claim and desire to secure by Letters-Patent,

part by said plate and cdmmunicating at their innerends with said clramber and hav';- mg upstanding portions at their outer ends 2. In a cooking stove, a body, an oven therein, a burner chamber arranged below the oven at one end thereoha burner in said chamber, and longitudinal conduits spaced apart on the underside of the bottom plate of I the oven and formed in part by said plate and communicating attheir inner ends with the burner chamber and having upstanding portions at their outer ends formed in part by the adjacent oven plate and communicating through apertures in said plate with the portion of the oven remote from the burner chamber. 5

3. In a cooking stove, a body, an. oven therein, a burner chamber arranged below the oven at one end thereof, a burner in said chamber, and longitudinal conduits spaced apart on the underside of the bottom plate of the oven and formed in part by said plate and communicating at their inner ends with the burner chamber and attheir outer ends with the interior of the oven.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

EGBERT H. CASTLE.

-Witnesses:

S. M. POTTER. ELMEP. C. PETER.

five cents ea .clnby addressing the Commissioner 0! Patents,

Washington, D. 0. 

